---
title: "Mistral AI client-ts 3.0.0, a new major version: 2026-10-09 | Harbyn"
description: "Mistral AI client-ts 3.0.0, a new major version, announced Oct 9, 2026."
canonical: "https://harbyn.com/changes/mistral/2026-10-09-client-ts-3-0-0"
last-updated: 2026-10-09
---

# Mistral AI client-ts 3.0.0, a new major version

Markdown version of <https://harbyn.com/changes/mistral/2026-10-09-client-ts-3-0-0>.

Breaking change - Mistral AI. medium severity. In effect.

Mistral's TypeScript SDK @mistralai/mistralai 3.0.0 has breaking changes: the Runs class and its getRun, getRunHistory and listRuns methods are removed (Workflows.runs is now WorkflowsRuns), SecurityError.code is required, request types for chat.complete, agents.complete and the workflow deployment methods change, and the beta connectors deleteOrganizationCredentials, deleteWorkspaceCredentials and deleteUserCredentials methods are removed.

## Facts

| Fact | Value |
| --- | --- |
| Vendor | [Mistral AI](https://harbyn.com/vendors/mistral.md) |
| Kind | Breaking change |
| Severity | medium |
| Status | In effect |
| Announced | Oct 9, 2026 |
| Added to Harbyn | Oct 9, 2026 |
| Lead time | No dated deadline |
| Packages | `npm: @mistralai/mistralai <3.0.0` |
| Vendor page | <https://github.com/mistralai/client-ts/releases/tag/v3.0.0> |
| Review | Reviewed by a person, extracted by a deterministic parser |

## Find it in your code

```sh
npx harbyn scan
```

The scanner reads your repository on your machine and reports every file and line that uses the identifiers above. Nothing leaves your machine.

## Sources

Where this event comes from: the page we read, when we read it, and the hash of that snapshot.

- <https://api.github.com/repos/mistralai/client-ts/releases?per_page=20> (release, fetched 2026-10-09 13:28 UTC, sha256 `e1afc9d12e8d9374bd0e852a17e9e428d662a7bc02a46508cf6507f7797ba711`)

## Related changes

### More from Mistral AI

- [Mistral OCR 4.0 (mistral-ocr-4-0) retires on September 30, 2026](https://harbyn.com/changes/mistral/2026-09-29-ocr-4-0-deprecated-and-scheduled-for-retirement.md) (Retirement, effective Sep 30, 2026)
- [Z.ai GLM 5.2 (zai-glm-5-2) retires on Mistral on October 31, 2026](https://harbyn.com/changes/mistral/2026-09-29-z-ai-glm-5-2-deprecated-and-scheduled-for-retirement.md) (Retirement, effective Oct 31, 2026)
- [Leanstral 1.5 retirement announced](https://harbyn.com/changes/mistral/2026-06-30-leanstral-1-5-retirement-announced.md) (Retirement, effective Sep 30, 2026)

### Changes at other vendors

- [Amazon Selling Partner API: October listing attribute usage and enumeration value updates](https://harbyn.com/changes/amazon-sp-api/2026-10-14-sp-api-updates-new-listings-items-api-ivp-values-in-eu5-jp-and-ca-stores-oct-2.md) (effective Oct 26, 2026)
- [Supabase: four CBC-mode TLS 1.2 cipher suites will be removed from project HTTP APIs](https://harbyn.com/changes/supabase/2026-10-12-an-outdated-subset-of-tls-1-2-ciphers-will-be-disabled-on-project-http-apis.md) (effective Nov 10, 2026)
- [Google Workspace APIs: OAuth clients must be marked as agentic to call Google Workspace MCP servers](https://harbyn.com/changes/google-workspace/2026-10-12-oauth-clients-must-be-marked-as-agentic-to-call-google-workspace-mcp-servers.md) (effective Nov 11, 2026)
- [Bitbucket Cloud API: Git Credential Manager upgrade required for OAuth 2.0 Git authentication](https://harbyn.com/changes/bitbucket/2026-10-13-git-credential-manager-upgrade-required-for-oauth-2-0-git-authentication.md) (effective Nov 30, 2026)

[All upcoming deadlines](https://harbyn.com/deadlines.md)